ขอความช่วยเหลือ!!!! ขอโค้ด ปุ่ม search หน่อยค่ะ .NET C#

void myGridView_RowDataBound(Object s, GridViewRowEventArgs e) 
	{
		//*** CustomerID ***//
		Label lblCustomerID = (Label)(e.Row.FindControl("lblCustomerID"));
		if (lblCustomerID != null)
		{
			lblCustomerID.Text = (string)DataBinder.Eval(e.Row.DataItem, "CustomerID");
		}

//*** BindData to GridView ***//
			myGridView.DataSource = ds;
			myGridView.DataBind();

void myGridView_RowDataBound(Object s, GridViewRowEventArgs e) 

<script runat="server">
    String strSearch;
    void Page_Load(object sender, EventArgs e)
    {
        strSearch = this.TxtSearch.Text;
    }
    void BindData()
    {
        SqlConnection objConn = new SqlConnection();
        SqlCommand objCmd = new SqlCommand();
        SqlDataAdapter dtAdapter = new SqlDataAdapter();
        DataSet ds = new DataSet();
        String strConnString, strSQL;
        
        strConnString ="Server=localhost;UID=sa;PASSWORD=12345;database=project;";
        strSQL = "SELECT * FROM user WHERE (id like '%"+ strSearch +"%')";

        objConn.ConnectionString = strConnString;
        objCmd.Connection = objConn;
        objCmd.CommandText = strSQL;
        objCmd.CommandType = CommandType.Text;

        dtAdapter.SelectCommand = objCmd;
        dtAdapter.Fill(ds);

        dtAdapter = null;
        objConn.Close();
        objConn = null;
    }

 dtAdapter.Fill(ds);

NameSearch.Text = ds.Table[0].Rows[0].item["Field Name"].ToString;